In 'Thor,' that was my own hair. I grew it out. But I have naturally curly, blonde hair, so I'll never look like that. By the time I got to 'The Avengers,' I had come off two other films, which required me to have it very short. So I dyed it again and it was long enough to use a part of my hairline.

Somehow the past is a safe place to explore our collective cultural neuroses.

Do the work, enjoy the work, take it seriously, don't take yourself seriously and keep your head down!

South Sudan is the youngest nation on the planet.

I'm grateful for people who have believed in me when others might not have.

Every villain is a hero in his own mind.

I always found the extraordinary loss of life in the First World War very moving. I remember learning about it as a very young child, as an eight- or nine-year-old, asking my teachers what poppies were for. Every year the teachers would suddenly wear these red paper flowers in their lapels, and I would say 'What does that mean?'